<!DOCTYPE html>
<html lang="cn">
<head>
    <meta charset="UTF-8">
    <title>表格</title>
    <style type="text/css">
        td {
            width: 100px;
            height: 100px;
            border: black 1px solid;
        }
        table{
            border-collapse: collapse; /* 表格边框合并 */
        }
    </style>
</head>
<body>
<table>
    <tr>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr>
        <td></td>
        <td></td>
        <td></td>
    </tr>
    <tr>
        <td></td>
        <td></td>
        <td></td>
    </tr>
</table>
</body>
</html>